OT-2026-000090281
Publication integrity record
Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000090281) never changes.
Identity and time
| Publication number | OT-2026-000090281 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-4290-750e-a27c-9b9168c750da · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090281 |
| Status | PUBLIC |
Content hashes
| Canonical text | 65fc20379dcdec587be283341759c8afd511681801aac42259d49aaba7e7fcd8 |
|---|---|
| Markdown | 6c69e97ecb84060888bc8b8d35683e2ea506981788fe470068c3c36cb3e57a3c |
| Publication page | 68384c31714b4d82a4a49f16dd3cc2fc8a474a6761446ea6423a174484d0ad81 |
| Manifest | cd909de3f6dfa4fefef0d33bfb938da3a13f864fc3502d2f96a46de17ac3fd68 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | uCeoQ1NfOnZR+uWwnErH2Q1fQPURjUowGh8HiB85Yt5VF7+QbcHtO0H+pKQ560kzZEwcFSFdtSuKL1Zxm3YYBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:46:21.901288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090281observed 68384c31714b4d82a4a49f16dd3cc2fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:21.882681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090281/manifest.jsonobserved cd909de3f6dfa4fefef0d33bfb938da3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:21.864043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090281/publication.mdobserved 6c69e97ecb84060888bc8b8d35683e2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:21.845359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090281/publication.txtobserved 65fc20379dcdec587be283341759c8af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|